Patents Assigned to Sandvik
  • Measuring instrument for gyratory crusher and method of indicating the functioning of such a crusher
    Publication number: 20090008486
    Abstract: A measuring instrument for indicating the load in a gyratory crusher includes a first measuring device for measuring at least one instantaneous load on the crusher, a second measuring device for measuring the gyrating position of the inner shell relative to the outer shell, and a correlating device adapted to match said at least one instantaneous load on the crusher with a corresponding measured gyrating position of the inner shell relative to the outer shell.
    Type: Application
    Filed: June 30, 2008
    Publication date: January 8, 2009
    Applicant: Sandvik Intellectual Property AB
    Inventors: Mauricio Torres, Jonas Gustavsson
  • COATED CEMENTED CARBIDE INSERTS
    Publication number: 20090010724
    Abstract: The present invention relates to cutting insert for dry milling of hard cast steel with a hardness of from about 50 to about 65 HRC comprising a substrate and a coating. The substrate has a hardness of from about 1900 to about 2100 HV3, with a negative chamfer and an edge rounding of 0 (sharp) to about 40 ?m. The coating comprises a homogeneous AlxTi1-xN-layer with x equals from about 0.6 to about 0.67 and a thickness of from about 1 to about 3.8 ?m. The invention also relates to a method of making as well as the use of the inserts.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 8, 2009
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Susanne NORGREN, Kenneth Westergren
  • Method For Regulating the Drive of a Shearing or Heading Machine
    Publication number: 20090008984
    Abstract: In a method for controlling the drive of a shearing or heading machine for cutting a round, as a function of manipulated variables such as the movement speed of the cantilever arm, the position of the cutting tools and/or the power consumption of the drive motors and the pressure in hydraulic actuating cylinders, a minimum and a maximum target value are determined for the movement speed of the cantilever arm, and at least two factors each having values of between 0 and 1 are calculated for the manipulated variables as a function of measurement values, the measurement values at least comprising cutting tool position data compared to set data corresponding with a set profile, motor load measurement data and cantilever arm movement speed measurement data, and the movement speed of the cantilever arm is controlled as a function of the product of the set speed and the respectively calculated factors.
    Type: Application
    Filed: January 18, 2007
    Publication date: January 8, 2009
    Applicant: Sandvik Mining and Construction G.m.b.H.
    Inventors: Hubert Kargl, Helmut Haubmann
  • Attachment system
    Patent number: 7472503
    Abstract: An attachment system for connecting a first member such as a lip plate (12) of a mechanical digging device to a second member such as a ground engaging tool (10). The first member has a lug (22) attached thereto, and the second member has a recess (50) which is located about the lug (22). A stabilizing member (98) is located within a slot (57) in the recess. A clamping member (60) is between the lug and the stabilizing member, and includes a resilient portion (90) such as a compression spring. A compressive force supplied to the resilient portion restricts the movement of the second member relative to the lug.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: January 6, 2009
    Assignee: Sandvik Shark Pty Ltd.
    Inventor: Patrick Gerard Maher
  • COATED CEMENTED CARBIDE CUTTING TOOL INSERT
    Publication number: 20090003943
    Abstract: The present invention relates to PVD coated cemented carbide cutting tool inserts roughing to finishing milling operations. The cemented carbide cutting tool insert comprises a substrate and a wear resistant coating. The substrate comprises in addition to WC, from about 5.5 to about 8.5 wt-% Co and Cr such that the Cr/Co weight ratio is from about 0.08 to about 0.12 and also small amounts of Ti and Ta. The wear resistant coating is a homogeneous AlxTi1-xN-layer with x equals from about 0.6 to about 0.67. The thickness of this layer is from about 1.2 to about 3.6 ?m.
    Type: Application
    Filed: May 30, 2008
    Publication date: January 1, 2009
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Marie PETTERSSON, Anders LUNDQVIST, Susanne NORGREN, Toril MYRTVEIT, Rickard SUNDSTROM
  • Method gas burner and a combined gas burner and cooler with gas insulation
    Patent number: 7469489
    Abstract: The present invention relates to a method relating to the operation of a burner and/or cooler (3), wherein gases are caused to flow through an inner pipe (7), out into an outer pipe (5) which surrounds the inner pipe (7), and back through that part of the volume of the outer pipe (5) not accommodated by the volume of the inner pipe (7). The invention is characterised by placing an inner bottom plates (8) in the outer pipe (5) in spaced relationship with the closed bottom (9) of said outer pipe (5), whereby the gases flowing through the inner pipe (7) and out into the outer pipe (5) are caused to turn back and pass between the outer pipe (5) and the inner pipe (7), thereby creating a gas pocket (12) between the bottom (9) of said outer pipe (5) and the bottom plate (8).
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: December 30, 2008
    Assignee: Sandvik Intellectual Property AB
    Inventor: Thomas Lewin
  • Coated insert and method of making same
    Patent number: 7470296
    Abstract: A cutting tool insert particularly for turning of steel comprising a body and a coating with a first (innermost) layer system of at least two layers of TiCxNyOz with x+y+z?1 with a total thickness of from about 0.7 to about 4.5 ?m, a second layer system to a large extent consisting of Al2O3 and an outermost layer system comprising one or several layers in sequence of TiCxNy (x+y?1) with individual thicknesses of greater than about 0.15 to about 0.8 ?m and a layer with Al2O3 with a thickness greater than about 0.1 to about 0.4 ?m with a total thickness of the outermost layer system thinner than about 2.5 ?m and a total thickness of the coating in the range of from about 2.0 to about 12.0 ?m.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: December 30, 2008
    Assignee: Sandvik Intellectual Property AB
    Inventors: Mikael Lindholm, Markus Rodmar, Anders Jonsson
  • Wear Resistant and Noise Reducing Arrangement
    Publication number: 20080317992
    Abstract: A wear resistant and noise reducing arrangement of wear elements in material handling systems exposed to wear and to noise. The arrangement comprises at least one adjustable wear element arranged in a row, wherein the wear elements are provided along one side with a flexible sealing to seal between the arrangement and adjacent arrangements.
    Type: Application
    Filed: March 21, 2006
    Publication date: December 25, 2008
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventor: Mats Malmberg
  • FINE GRAINED CEMENTED CARBIDE WITH REFINED STRUCTURE
    Publication number: 20080314200
    Abstract: The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 25, 2008
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Susanne NORGREN, Alexandra KUSOFFSKY, Alistair GREARSON
  • Dust Sealing
    Publication number: 20080309026
    Abstract: The present invention concerns a system for sealing between a rock processing equipment, such as a vibrating screen and a stationary cover or other part. A sealing strip is arranged between the vibrating screen and the stationary cover. The sealing strip is attached to snap profiles fixed to the vibrating screen and the stationary cover, respectively. The sealing strip is fixed to the snap profiles by means of grip strips. The sealing strip is placed slanted in relation to the sides of the vibrating screen and stationary cover, respectively.
    Type: Application
    Filed: June 4, 2008
    Publication date: December 18, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventor: Mats Malmberg
  • Percussion device with a control valve for two alternately striking pistons
    Patent number: 7464635
    Abstract: The invention relates to a percussion device comprising two percussion pistons alternately making a percussion motion and a control valve for controlling the percussion pistons. The control valve (7) comprises a slide (8) affected by a force so that the slide is generally in a first position, but moves at the end of the percussion motion of the first percussion piston from the first position to a second position and correspondingly back to the first position at the end of the percussion motion of the second percussion piston (4).
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: December 16, 2008
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Esa Rantala, Jarmo Heinonen, Antti Koskimäki
  • TOOL FOR CHIP REMOVING MACHINING AS WELL AS A BASIC BODY THEREFORE
    Publication number: 20080304923
    Abstract: A tool for chip removing machining, including a long narrow basic body having an envelope surface which is concentric with a center axis, and two opposite ends, and a replaceable loose top which is connected to the basic body via a first coupling that includes a first seating formed in one end of the basic body and a first male element formed in one end of the loose top. The basic body includes a primary part body made of a first material having a first modulus of elasticity, and a secondary part body which includes the first seating and is made of a second material having a second modulus of elasticity which is lower than the first modulus of elasticity.
    Type: Application
    Filed: May 22, 2008
    Publication date: December 11, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventors: Ralf LEHTO, Magnus ORTLUND, Isak KAKAI
  • CEMENTED CARBIDE INSERT
    Publication number: 20080299366
    Abstract: The present invention relates to a cutting tool insert for parting, grooving and threading in steel and stainless steels comprising a substrate and a coating. The substrate comprises WC, from about 7.5 to about 10.5 wt-% Co, from about 0.7 to about 1.1 wt-% Cr and from about 100 to about 300 ppm Ti. Ti may partly be replaced by Ta to a weight ratio Ti/Ta of equal to or more than about 0.8. The coating comprises two (Ti,Al)N-layers with different Al/Ti-ratios: an inner AlyTi1-yN-layer with y equals from about 0.4 to about 0.67 with a thickness of from about 0.3 to about 2.5 ?m and an outer AlwT1-wN layer with w equals from about 0.15 to about 0.35 with a thickness of from about 0.5 to about 5.0 ?m.
    Type: Application
    Filed: May 23, 2008
    Publication date: December 4, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventors: Mats Ahlgren, Susanne Norgren, Anders Nordgren, Ann-Britt Ljungberg, Anders Jonsson, Ann-Marie Malm, Bo Blom, Martin Hansson
  • COATED CEMENTED CARBIDE CUTTING TOOL INSERT
    Publication number: 20080295658
    Abstract: The present invention relates to PVD coated cemented carbide cutting tool inserts semifinishing and finishing metal cutting operations. The cemented carbide cutting tool insert comprises a substrate and a wear resistant coating. The substrate comprises in addition to WC, from about 5.5 to about 8.5 wt-% Co and Cr such that the Cr/Co weight ratio is from about 0.08 to about 0.12 and also small amounts of Ti and Ta. The wear resistant coating is a homogeneous AlxTi1?xN-layer with x equals from about 0.6 to about 0.67. The thickness of this layer is from about 1 to about 3.8 ?m.
    Type: Application
    Filed: May 29, 2008
    Publication date: December 4, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventors: Pierre Donnadieu, Susanne Norgren
  • Fuel Cell Component
    Publication number: 20080299417
    Abstract: A fuel cell component, such as an interconnect for solid oxide fuel cells, consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The fuel cell component is produced by providing the different layers, preferably by coating, and thereafter oxidising to accomplish a conductive surface layer comprising a complex metal oxide structure.
    Type: Application
    Filed: November 21, 2005
    Publication date: December 4, 2008
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Mikael Schuisky, Finn Petersen, Niels Christiansen, Joergen Gutzon Larzen, Soeren Linderoth, Lars Mikkelsen
  • FINE GRAINED CEMENTED CARBIDE CUTTING TOOL INSERT
    Publication number: 20080299383
    Abstract: The present invention relates to a cuffing insert for turning in heat resistant superalloys and stainless steels comprising a very fine grained hard substrate and a coating. The substrate comprises WC from about 5 to about 8 wt % Co and from about 0.3 to about 1.5 wt % Cr. In addition to that ppm levels of Ti and Ta are present. The ratio of Me/Co=(at-% Ti+ at-% Nb+ at-% Ta)/at-% Co is lower than or equal to about 0.014?(CW_Cr)*0.008 and higher than about 0.0005. The average sintered WC-grain size is from about 0.5 to about 0.95 ?m and CW_Cr from about 0.75 to about 0.95. The cemented carbide body is coated with a PVD TixAl1-xN-coating with an average composition of x being greater than about 0.4 but less than about 0.9, present as a single or multilayer coating with a total thickness of from about 1 to about 6 ?m.
    Type: Application
    Filed: May 23, 2008
    Publication date: December 4, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventors: Malin Martensson, Kerstin Lundin, Susanne Norgren
  • Drill body for chip removing machining
    Publication number: 20080298918
    Abstract: A drill body for chip removing machining, including an envelope surface which is concentric with a center axis around which the drill body is rotatable, and transforms into a front end surface, and a front cutting edge adjacent to a chip flute which is countersunk in the envelope surface in the area in front of the cutting edge as viewed in the direction of rotation of the drill body and runs out into the front end surface. In the front part of the chip flute, a depression is formed, which includes two part surfaces extending at an obtuse angle (a) to each other, one of which forms a bottom surface in the depression, and the other of which faces the cutting edge and is in front of the cutting edge as viewed in the direction of rotation to form a stop face for a chip removed by the cutting edge.
    Type: Application
    Filed: May 16, 2008
    Publication date: December 4, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventor: Magnus Brink
  • COATED CUTTING TOOL INSERT
    Publication number: 20080298921
    Abstract: A coated cutting tool insert is disclosed particularly useful for dry and wet machining, preferably milling, in un-, low- and high alloyed steels and cast iron, with or without raw surface zones. The insert is characterized by a WC—TaC—NbC—Co cemented carbide with a W alloyed Co-binder phase and a coating including an innermost layer of TiCxNyOz with columnar grains and a top layer, at least on the rake face, of a smooth ?-Al2O3.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 4, 2008
    Applicant: Sandvik Intellectual Property AB
    Inventors: Rickard SUNDSTROM, Alexandra Kusoffsky, Marie Pettersson, Anders Lundqvist
  • Method for the manufacture of indexable cutting inserts as well as an indexable cutting insert and a cutting tool having such a cutting insert
    Patent number: 7455482
    Abstract: An indexable cutting insert has at least first and second cutting edges and first and second edge-location surfaces associated with the first and second cutting edges, respectively. The insert-manufacturing procedure includes forming the first edge-location surface with reference to the first cutting edge, and then forming the second edge-location surface with reference to the second cutting edge. There results an indexable cutting insert having at least two spaced-apart chip-removing cutting edges and a plurality of location surfaces adapted to engage a base body for determining the spatial positions of respective cutting edges, wherein each location surface determines the spatial position of no more than one of the cutting edges.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: November 25, 2008
    Assignee: Sandvik Intellectual Property AB
    Inventor: Göran Lundvall
  • Support pad for long hole drill
    Patent number: 7448832
    Abstract: Support pad for a long hole drill head wherein the support pad includes a base body with a bottom surface, at least one side surface and a top surface. The top surface is arranged to function as a wear surface and is defined by a titanium-free wear-resistant coating, whereas the remaining surfaces of the support pad are defined by a titanium-containing wear-resisting coating.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: November 11, 2008
    Assignee: Sandvik Intellectual Property AB
    Inventors: Raimo Annanolli, Veronica Böstrom